Steamy, turbulent weather forecast in NE Wisconsin this weekend and early next week

LAKE MICHIGAN/LAKE WINNEBAGO REGION – It's shaping up to be a steamy and turbulent weekend in northeast Wisconsin.
National Weather Service hazardous weather outlooks are in place for Dodge, Fond du Lac, Green Lake, Manitowoc, Sheboygan, Winnebago and several other counties.
The outlooks begin with a chance of thunderstorms Thursday afternoon through the night.
The NWS said a few storms could become strong or severe with damaging winds, large hail and torrential rainfall.
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The NWS also noted the greatest risk of severe storms is from 1 to 10 p.m. Thursday.
Forecasts for the rest of the weekend and early next week vary slightly between northern and southern counties.
Friday through Wednesday for northern counties including Manitowoc and Winnebago, thunderstorms are possible from Friday morning through Saturday morning.
The greatest risk of severe storms will be overnight Friday night into Saturday morning as a thunderstorm complex is expected to move across the area. A potential for torrential rainfall also comes with the stronger storms, the NWS said.
Thunderstorms are also possible early to midweek next week, although the NWS said it's too early to determine if those storms could become severe.
A hot and humid airmass will move into the region this weekend into early next week.
Heat index values could climb to 95 to105 degrees on Saturday and Sunday afternoons, the NWS said.
Nighttime lows Saturday night and Sunday night will only drop to the mid to upper 70s, which will provide minimal relief to the heat, the NWS added.
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Saturday through Monday for southern counties like Dodge, Fond du Lac, Green Lake and Sheboygan, hot and humid conditions are expected Saturday through Monday.
Heat indices will range from 100 to 105 degrees, the NWS said.
Thunderstorms will be possible at times Friday and again early next week.
A moderate swim risk will be possible at times this weekend, the NWS added.
Here are some things to keep in mind when trying to stay safe amid heat:
Young and elderly people and people who are pregnant or who have chronic health conditions are most vulnerable to high temperatures, Mike Cellitti, meteorologist with the National Weather Service in Green Bay, told a USA TODAY NETWORK-Wisconsin reporter. The NWS recommends increased awareness of these vulnerable populations.
No one should be left behind in a closed vehicle when temperatures are this high, Cellitti said. Six children nationwide died as a result of pediatric vehicular heat stroke so far in 2025, according to data gathered by Jan Null at San Jose State University at noheatstroke.org. In 2024, 39 children died by pediatric vehicular heat stroke.
Humane World for Animals, formerly The Humane Society of the United States, also warns pet owners to never leave pets in unattended vehicles for any period of time. On warm days, the temperature in a car can exceed 120 degrees in a matter of minutes, even with the windows open, and pets can suffer brain damage or die from heatstroke or suffocation, according to the animal welfare organization. High humidity amplifies the negative impact of high temperature on pets.
Pets also should be provided with shade and water when they are outdoors during heat waves.
Exercise should be limited on hot days.
Other tips for hot temperatures include taking frequent breaks in shade, drinking plenty of water and wearing loose-fitting clothing, Cellitti said.
Central Wisconsin reporter Erik Pfantz contributed to this report. Contact Brandon Reid at breid@gannett.com.
This article originally appeared on Manitowoc Herald Times Reporter: Northeast Wisconsin weather forecast: Heat and storms this weekend

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